Ichizu Osananajimi wa Gaman dekinai

High school student Yuzuki Arisugawa is the daughter of the company president and a member of the public morals committee, so she is both very serious and very naive about love. One day, Yuzuki wakes up in the infirmary and accidentally sucks the blood of her childhood friend Kagari, who is always with her! In fact, Kagari likes Yuzuki, and it seems that blood sucking has a seductive effect...!